How we give you more quality of life.
Brand/Mission
We build smart Tech-Med solutions that reduce pain and restore your desire to move — whether it’s joints, muscles or everyday tension. Every product follows the same principle: science-backed, easy to use, and ready to fit seamlessly into your daily routine.
Bestseller-Highlight
1 in 3 knees is affected by osteoarthritis — we help you move again.
KneeJack™ combines soothing heat, adaptive air-compression and targeted laser pulses to ease pain and restore mobility — in as little as 15–20 minutes per knee per session. (Use several times a week for noticeable relief.)











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NeckJack™ Neck Therapy & Massager Device
Infrared combined with vibration is an evidence-based method for pain relief.

Relax now – and get through the day pain-free.
Experience the sensation of targeted tech-med therapy: Our jackrelief™ 3-in-1 knee massager combines deep heat, airbag compression, and laser impulses to loosen stiff joints and gradually restore your range of motion. Just a few uses per week can bring noticeable relief – whether after sports, at the office, or relaxing on the couch.
Our customers are also convinced.¹
report less pain with regular use
feel noticeably more freedom of movement
are pain-free after a few months
¹Based on anonymous customer surveys.
FAQ
Shipping
Currently to Germany, the EU, the USA, and Australia. More countries coming soon.
Because we ship to many regions worldwide, delivery times can vary by country and area. These are our average delivery times:
- USA: 8–14 business days
- Australia: 10–14 business days
- European Union: 7–12 business days
If your address is in a remote area or on an island, delivery may be delayed by a few days.
Please also allow up to 24 hours for order processing and confirmation. No deliveries on Sundays or public holidays.
After dispatch, you’ll receive an email with a tracking link. Alternatively, you can track your order on our site via the navigation under "Order Tracking" using your tracking number.
Payment & Warranty
Klarna, PayPal, Sofort bank transfer, credit card (Visa, Mastercard, AmEx), Apple Pay, Google Pay.
Checkout is SSL-encrypted and PCI-DSS compliant; we do not store your card details.
30-day risk-free trial — not a match = full refund.
24-month manufacturer’s warranty on all devices.
Product Information
Design & QC in Germany; final assembly in an ISO 13485-certified facility in Shenzhen.
15–20 minutes per knee is plenty.
Yes, you can use our 3-in-1 vibration & infrared therapy device on different body areas such as the shoulder or elbow.
Orders & Customer Support
Within 12 hours via email — as long as it hasn’t shipped yet, we’ll adjust everything free of charge.
Just email us at support@jackrelief.com — response within 24 hours (business days), or use our "Help & Contact" page.










